From: The frequency of ANCA-associated vasculitis in a national database of hospitalized patients in China
 | AAV | GPA | MPA | EGPA |
---|---|---|---|---|
Number | 4440 | 385 | 396 | 223 |
Age (years) | 60.0 ± 15.6 | 50.7 ± 15.6 | 62.3 ± 17.2 | 50.3 ± 15.6 |
Age group, % | ||||
 0–17 | 1.3 | 1.6 | 3.5 | 3.1 |
 18–30 | 5.0 | 11.4 | 2.8 | 9.4 |
 31–40 | 4.8 | 10.4 | 2.8 | 11.2 |
 41–50 | 11.8 | 23.9 | 7.4 | 20.2 |
 51–60 | 20.6 | 24.4 | 17.4 | 27.8 |
 61–70 | 29.9 | 17.1 | 34.8 | 21.5 |
  > 80 | 26.6 | 11.2 | 31.3 | 6.6 |
Male, % | 46.4(45.0,47.9) | 49.9(44.9,54.9) | 48.5(43.6,53.4) | 52.5(45.9,59.0) |
Occupation, % | ||||
 Professional or semi-professional | 9.1 (8.2,10.0) | 14.7 (10.9,18.4) | 8.5 (5.6,11.4) | 16.1 (11.1,21.1) |
 Worker | 2.9 (2.4,3.4) | 2.9 (1.1,4.6) | 2.5 (0.9,4.2) | 3.9 (1.3,6.6) |
 Farmer | 25.7 (24.3,27.0) | 22.4 (18.0,26.8) | 25.4 (20.9,30.0) | 22.0 (16.3,27.6) |
 Retired | 20.4 (19.1,21.6) | 12.9 (9.4,16.5) | 24.3 (19.8,28.8) | 15.6 (10.6,20.6) |
 Unemployed | 7.2 (6.4,8.0) | 6.9 (4.2,9.6) | 7.9 (5.1,10.7) | 4.4 (1.6,7.2) |
 Others | 34.7 (33.3,36.2) | 40.2 (35.1,45.4) | 31.4 (26.5,36.2) | 38.0 (31.4,44.7) |
Medical insurance | ||||
 Basic Medical Insurance | 44.4 (43.0,45.9) | 38.2 (33.3,43.0) | 44.4 (39.6,49.3) | 45.7 (39.2,52.3) |
 New Rural Co-operative Medical Care | 24.1 (22.9,25.4) | 24.7 (20.4,29.0) | 21.7 (17.7,25.8) | 25.1 (19.4,30.8) |
 Other insurance | 16.0 (14.9,17.1) | 16.1 (12.4,19.8) | 21.5 (17.4,25.5) | 17.9 (12.9,23.0) |
 No insurance | 15.4 (14.4,16.5) | 21.0 (17.0,25.1) | 12.4 (9.1,15.6) | 11.2 (7.1,15.4) |
Admission place | ||||
 Emergency | 12.6 (11.6,13.6) | 15.0 (11.3,18.7) | 11.5 (8.2,14.7) | 16.4 (11.5,21.4) |
Routine | 79.9 (78.7,81.1) | 76.7 (72.3,81.0) | 83.1 (79.2,86.9) | 77 (71.3,82.6) |
 Other | 7.5 (6.7,8.3) | 8.3 (5.5,11.2) | 5.5 (3.1,7.8) | 6.6 (3.2,9.9) |
ICU stay, % | 2.2 (1.7,2.6) | 0.3 (0,0.8) | 3.5 (1.7,5.4) | 0.4 (0,1.3) |
Costs (10,000 RMB), median (Q1–Q3) | 13 (7–23) | 10 (6–19) | 14 (8–24) | 11 (7–18) |
Length of stay (days), median (Q1–Q3) | 12 (8–19) | 12 (7–18) | 13 (8–21) | 12 (8–16) |
In-hospital mortality, % | 1.8 (1.4,2.2) | 1.3 (0.2,2.4) | 2.8 (1.2,4.4) | 0.4 (0,1.3) |